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Finding the Fourth Proportional to 282,330.67, 389,445.28 and 167,533.83

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Solution

The fourth proportional to 282,330.67, 389,445.28 and 167,533.83 is: 231,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,330.67 : 389,445.28 = 167,533.83 : x
  2. Step 2: Convert to fraction form
    282,330.67/389,445.28 = 167,533.83/x
  3. Step 3: Cross multiply
    282,330.67x = 389,445.28 × 167,533.83
  4. Step 4: Simplify right side
    282,330.67x = 65,245,259,333.82
  5. Step 5: Solve for x
    x = 65,245,259,333.82/282,330.67
  6. Step 6: Final answer
    x = 231,095.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.